at what dept would the value of g be 75% of what it is on the surface of the earth? does it change with height too?

at what dept would the value of g be 75% of what it is on the surface

1.	at what dept would the value of g be 75% of what it is on the surface of the earth? does it change with height too?
Answer» Thus, at the HEIGHT of 6400 km the acceleration due to GRAVITY will decrease by 75% of it's value at the EARTH's surface

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at what dept would the value of g be 75% of what it is on the surface of the earth? does it change with height too?​

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at what dept would the value of g be 75% of what it is on the surface of the earth? does it change with height too?